Like Download 15.99 MB Cogwheel 5808 x 3877 pixels NIKON D610 50 mm f/4.0 1/200 s ISO 800 Online since: 8 October 2018 Taken: 7 October 2018 CC0 / Public Domain old rusty metal machine mechanism gear industrial wheel industry part mechanical technology steel cog machinery equipment rust background engine iron cogwheel